Underclass Invitational (Invite Only)
| Name | State | School | Class | Pos | Commitment |
| Joe Aeilts | IL | Champaign Central | 2016 | OF | Illinois State |
| Alec Barger | IL | Champaign Central | 2016 | OF | North Carolina State |
| Evan Bell | IL | Oak Park-River Forest | 2016 | OF | Memphis |
| Jack Bellinger | IL | Schaumburg | 2016 | RHP | Illinois State |
| Jay Benard | IL | Massac County | 2016 | SS | |
| Parker Bogdan | IL | Lincoln-Way East | 2017 | RHP | |
| Matt Burch | IL | Warren | 2016 | SS | Wabash Valley JC |
| Dillan Chamness | IL | Benton | 2016 | OF | McKendree University |
| Jacob Chapman | IL | Barrington | 2016 | 1B | |
| Hank Christie | IL | Oak Park-River Forest | 2016 | RHP | Northwestern |
| Cole Cimarolli | IL | Edwardsville | 2016 | OF | Quincy University |
| Jack Coney | IL | St. Viator | 2016 | SS | Ohio |
| Aidan Cossio | IL | Bloomington | 2016 | 3B | Johns Hopkins University |
| Anfernee Crompton | IL | Moline | 2016 | OF | |
| Jimmy Day | IL | Barrington | 2016 | SS | Evansville |
| Nick Derr | FL | Sarasota | 2016 | SS | Florida State |
| Jacob Diaz | IL | St. Laurence | 2016 | OF | College of DuPage |
| Dylan Dodd | IL | Danville | 2016 | LHP | Southeast Missouri State |
| Reese Dolan | IL | Mundelein | 2016 | RHP | Southern Illinois |
| Tom Duddleston | IL | De La Salle | 2016 | SS | Wisconsin-Stevens Point |
| Jackson Dvorak | IL | Providence Catholic | 2016 | 1B | South Suburban JC |
| Drake Fellows | IL | Joliet Catholic | 2016 | RHP | Vanderbilt |
| Zach Fick | IL | St. Charles North | 2016 | SS | Elgin CC |
| Colin Fowich | IL | Lake Park | 2016 | 3B | Elgin CC |
| Sam Fradin | IL | Deerfield | 2017 | 3B | |
| Mike Fuentes | IL | Bremen | 2017 | RHP | Northern Illinois |
| Jeremy Gaines | IL | Oak Park-River Forest | 2016 | 2B | John A. Logan JC |
| Austin Galindo | IL | Normal University | 2016 | OF | Illinois State |
| Jake Garella | IL | Edwardsville | 2016 | OF | St. Louis |
| Tyler Garrity | IL | Plainfield North | 2016 | LHP | |
| TJ Geritano | IL | Willowbrook | 2016 | OF | Trinity Christian College |
| Collin Gibson | IL | Marmion | 2017 | RHP | |
| Jake Gilhaus | IL | Normal Community | 2016 | RHP | Kalamazoo College |
| Joe Gleeson | IL | Downers Grove South | 2016 | OF | |
| Bryce Gray | IL | Homewood Flossmoor | 2016 | C | Notre Dame |
| Cole Greer | IL | Pleasant Plains | 2017 | SS | |
| Geremy Guerrero | IL | Metamora | 2016 | LHP | Indiana State |
| Austin Gusewelle | IL | Staunton | 2016 | RHP | |
| Tyler Hankins | IL | South Elgin | 2016 | LHP | Central Michigan |
| Brenden Heiss | IL | Jacobs | 2016 | RHP | John A. Logan JC |
| Anthony Holubecki | FL | IMG Academy | 2016 | RHP | Notre Dame |
| Brady Huffman | IL | Genoa Kingston | 2016 | RHP | Illinois State |
| Cameron Hupe | IL | Mount Carmel | 2017 | RHP | Kalamazoo Valley CC |
| Zach Jarosz | IL | Plainfield North | 2016 | 2B | South Dakota State |
| Colton Johnson | IL | Kewanee | 2016 | LHP | Illinois State |
| Cooper Johnson | IL | Carmel Catholic | 2016 | C | Mississippi |
| Jake Jones | IL | Oak Forest | 2017 | RHP | Murray State |
| Jared Jones | IL | Joliet Catholic | 2016 | RHP | Saint Xavier University |
| Jack Keane | IL | Brother Rice | 2017 | OF | |
| Hunter Keim | IL | Rock Island | 2017 | RHP | Quincy University |
| Ryan King | IL | Brother Rice | 2017 | SS | Michigan State |
| Kyle Kirschenmann | IL | Moline | 2016 | SS | |
| Michael Kruse | IL | Hampshire | 2016 | OF | Benedictine College (KS) |
| Nick Lahrman | IL | McHenry West | 2016 | OF | Wisconsin-Oshkosh |
| Kelly Lane | IL | Gwendolyn Brooks | 2016 | 2B | |
| Joe Laudont | IL | Kaneland | 2016 | C | Elgin CC |
| AJ Lewis | IL | Mount Carmel | 2016 | C | John A. Logan JC |
| Jordan Libman | IL | Glenbrook South | 2016 | OF | Illinois State |
| Conner Lovely | IL | Metea Valley | 2016 | SS | |
| Justin Machado | IL | Glenbrook South | 2016 | SS | Fordham |
| Connor McCormick | IL | Manteno | 2017 | C | McKendree University |
| William McKenna | IL | Nazareth | 2016 | C | New York University |
| Andrew Millas | IL | Belleville East | 2016 | C | Missouri State |
| Jacob Nagel | IL | Bolingbrook | 2016 | RHP | Bellarmine University |
| Maclain Neal | IL | Hinsdale Central | 2016 | 2B | DePauw University |
| Michael Oh | IL | Glenbrook North | 2016 | RHP | North Iowa Area CC |
| Mitch Owens | IL | Moline | 2016 | 3B | Iowa Western CC |
| Bryce Pahl | IL | Jacobs | 2016 | OF | |
| Brandon Petersen | IL | Waubonsie Valley | 2016 | LHP | Western Michigan |
| Tyler Peterson | IL | Lake Zurich | 2016 | SS | Elgin CC |
| Joey Polak | IL | Quincy Notre Dame | 2016 | 3B | Jefferson JC |
| Andrew Ralston | IL | Schaumburg | 2016 | OF | |
| John Rave | IL | Bloomington Central Catholic | 2016 | OF | Illinois State |
| Jake Ridgway | IL | Brother Rice | 2017 | C | Indiana State |
| Trey Riley | IL | Edwardsville | 2016 | RHP | John A. Logan JC |
| Michael Ruffolo | IL | Ridgewood | 2016 | 2B | Rockhurst University |
| John Rugen | IL | La Salle Peru | 2016 | 1B | Central College |
| Joe Santoro | IL | Carmel | 2016 | LHP | Army |
| Mariano Scalise | IL | Mount Carmel | 2017 | C | |
| Ryan Schefske | IL | Glenbard East | 2016 | SS | Lewis University |
| Christian Schuler | IL | Pontiac | 2016 | SS | |
| Bobby Seymour | IL | Mount Carmel | 2017 | 1B | Wake Forest |
| Luke Shadid | IL | Peoria Notre Dame | 2016 | SS | Bradley |
| Josh Shaw | IL | Morgan Park | 2016 | 3B | Kentucky State University |
| Brandon Skopick | IL | Lincoln-Way East | 2016 | SS | Central Michigan |
| Thomas Smart | IL | Loyola | 2016 | 3B | Illinois-Chicago |
| Jake Snider | KY | Ballard | 2016 | SS | Louisville |
| Nickolas Strysik | IL | Lockport | 2017 | OF | Central College |
| Phillip Swartz | IL | Champaign Central | 2016 | RHP | |
| Angel Torres | IL | St. Charles North | 2016 | SS | Judson University (IL) |
| Spencer Wright | IL | Lake Zurich | 2016 | OF | |
| Jake Zyzda | IL | Barrington | 2016 | RHP |